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8/13/2019 Thrissur Conference
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No Power is Costlier than no Power” – Dr.H.J.Bhabha
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The poor of the world cannot be helped
by mass production, only by production
by the masses. The system of massproduction, based on sophisticated,
highly capital-intensive, high energy-
input dependent, and human labour-saving
technology, presupposes that you are already rich,for a great deal of capital investment is needed to
establish one single workplace. The system of
production by the masses mobilises the pricelessresources which are possessed by all human beings,
their clever brains and skilful hands, and supports
them with first-class tools.
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First law of economics :
"The amount of real
leisure a society enjoys
tends to be in inverse
proportion to the
amount of labour-saving
machinery it employs."
Dr.E.F.Schumacher
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Modernise the Traditional-Traditionalise
the Modern
-Prof.Y.Nayudamma
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No Power is Costlier than No Power - Dr. H.J. Bhabha
Put the RENEWABLES to work: To get in-exhaustible,pollution free energy
which cannot bemisused .
You see things as they are and wonder why ? I dream of
things that never were and ask why not ?
- Robert F. Kennedy
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Solar Water Heater
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Two vertical and cylindrical drums made ofstainless steel/copper of height 0.6 m and
diameter 32cm.
Polyethylene cover to simulate greenhouse effect.
A lotus shaped omni-directional stainless
steel reflector. A bamboo basket with rock wool and
polyethylene covering acts as insulator.
DESIGN DETAILS
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OPERATION
Water filled with potable water at 9 am.
Insulator covered over the collector at 4 pm.
Temperatures up to 70 degrees Celsius can be
obtained in south India
100 litre unit costs around US 135
(about Rs. 6000) in South India.
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ADVANTAGES:
The Unit is mobile and easy to install and
dismantle while transporting.
No necessity of cold water supply through
pipes.
No need for overhead storage tank to supply
cold water.
There is no need to have separate collector as it
is an integrated system.
Since the collector is made of stainless steel,
the hot water will be hygienic.
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Solar Drier
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ADVANTAGES
The contents dry quickly.
The contents will be hygienic as they are
protected from dust because of
transparent cover.
The contents are free from bird menace like
crows as there is a thick covering.
When sudden rain comes, the contents
are protected because of the polyethylene
cover.
The units are light and easy to carry.
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All the materials used in the fabrication ofthese simple solar driers are available
locally and the units can be fabricatedlocally.
Fabrication of these simple units generates
local employment.
The smaller unit costs Rs 70(about 1.2 US $)and the bigger Unit Rs 200(about 4US $ ).
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CONSERVATION OF ELECTRICITY IN ELECTRICPUMPSETS
Considerable losses in the exit side of electricpump sets.
A low angled (10 degrees) cone metallic, 1 foot
long fitted at the exit of the delivery pipe.
5 to 9% energy saving has been found out in 50cases.
In India about 90 lakh (9 million) electric pumpsetsin operation in addition to lakhs of diesel sets.
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ENERGY CONSERVATION IN PUMPSETS
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At the Electric pumpset site a tank of length 2 m,width 1m and height 1 m is a common sight in
India. Can’t this head be utilized ?
From the outlet the water flows by gravitationonly.
A micro hydro generator with a pelton wheel, alow RPM generator and pulleys are fixed to astand.
A diode to arrest the reverse flow of current is
included.
The unit costs about Rs 4000(about US $ 80) andcan be fabricated locally.
The unit can be utilized to charge about 3 leadacid car batteries in parallel.
MICRO HYDRO DEVICE FOR LOW HEADS
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MICRO HYDRO DEVICE FOR LOW HEADS
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Evaporation produces cooling
Two canvas bags filled with potablewater and placed before a tablefan(pedestral).
Water gets cooled and can be taken
away for drinking purposes. Room also gets cooled
If more water required for housesand restaurants, number of
canvas bags placed in semi-circularway
And the pedestral fan put incircular motion.
The canvas bag each costs Rs.25(50 US Cents).
AIR CUM WATER COOLER
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Electric Washing Machine
PEDAL OPERATED WASHING MACHINE
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Galvanised Iron box of 38 by 38 by 61 cm
dimensions.
Outside aluminium wheel and inside fibre glasswheel.
Inside portion of the box made curvature to facilitate
centrifugal motion.The box provided with a pipe to drain out the water.
The box mounted on the sewing machine stand andconnected by the rope for pedaling.
If not in use the sewing machine can be put back onthe stand.
The unit costs about Rs 500(US $ 10) except the
sewing machine stand.
PEDAL OPERATED WASHING MACHINE
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The unit is cost-effective.
The unit is mobile. The fabrication of the unit will generate local
employment.
The unit helps to conserve energy.
Men and women are already accustomed tooperating sewing machines, and the operationof this pedal-operated washing machine is not
strenuous. The life of the clothing is extended compared
to hammering it on stone.
Operating of the machine provides exercise.
ADVANTAGES
HAND OPERATED BATTERY CHARGER
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HAND OPERATED BATTERY CHARGER
Solar Electric modules are used to
charge batteries for a television and light Wind battery chargers are in wide use in
Mangolia.
Solar /Wind battery charger(about 100 W capacity) costs about
Rs 30,000 (US $ 640) in India.
Wind and Solar are intermittent.
Abundant manpower available in
countries like India.
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DESIGN DETAILS
Bicycle wheel, low RPM generator that is mounted
on a frame and driven by V-belt.
There is a handle attached to the system
A blocking diode to prevent reverse flow of
current.
OPERATION
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OPERATION:
Three 12 volt lead-acid batteries are
connected in parallel and then to the batterycharger.
By rotating the wheel for six hours, the
batteries can be charged. Since many of the sewing machines are hand
operated in Northern India, people arefamiliar with this sort of system.
Compared to pedaling system, one can useboth the hands alternatively to rotate thewheel.
ADVANTAGES
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The whole unit weighs about 6 Kg and is mobile – it can becarried on the back.
It provides employment to rural people.
The unit is easy to fabricate, even in rural workshops.
In most countries, generators are available, and if not, theycan be imported. Many countries exempt renewable energyequipment and generators from customs duty. Alternatively
automobile generators can be used by changing thewindings.
The Unit is inexpensive – it costs about Rs 7000( about US $ 150).
It can be operated with either hand.
It occupies little space.
Women,as well as children, can operate the system.
ADVANTAGES
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Impure water is the root cause for many diseases
in Africa,Latin America and Asia.
Solar Dis-infection method uses the sun’s
ultraviolet radiation(UV) to improve themicrobiological
Quality of drinking water synergies induced byradiation and thermal treatment have a significant
effect on the die-off rate of microorganisms.
A simple Solar Dis-infection system utilizing localmaterial is designed for developing countries.
EVERYBODY’S JAGA SODIS
DESIGN DETAILS
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36 cm length, 30 cm breadth and 5 cm depth woodenframes(2) with corrugated Galvanised Iron sheet are
made with folding arrangement. The corrugated GI sheetis coated with black colour for greater absorption of sunlight. The planks are provided with a movable stand onthe back so that the system can be oriented south facing
suiting to the latitude of the place for optimum utilizationof sun shine.The system is provided with a hook andhandle to carry it anywhere.
To increase the temperature a bamboo basket of 1 mdiameter (concave shaped) is covered with tinfoil sheetfor reflection and concentration of sunlight. The systemis placed at the center of the basket.
DESIGN DETAILS
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OPERATION
Glass bottles(clear) are cleaned and water is
put into them up to 75% and shaken well for 20seconds. Solar dis-infection is more efficient inwater containing high levels of oxygen. Shakingthe bottles could increase oxygen levels. Onreacting with water, sunlight produces highlyreactive forms of oxygen. These reactive forms ofoxygen kill the microorganisms. Then the bottles
are filled with water to the full. The bottles areplaced in sunlight for 6 hours and taken to a coolplace for use.
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If the water is turbid, paste from the seed of
Nirmal (strychnos potatorum linn) can be used to
clear the turbidity and then the clear water used
for solar disinfection.
One can put the Tulasi leaves(Ocimum Sanctum)
in the solar disinfected water for preservation and
to provide flavour.
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ADVANTAGES
The Unit costs about Rs 500(about US $ 11) and as such
available to everybody.
All the materials in the fabrication of the unit are
available locally.
The unit is mobile.
The unit is modular
Production of units at local level generates employment
in rural areas of the developing countries.
The unit is expected to be a boon for developing
countries rural populations in providing potable
water.
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• SET 1:
• First Picture:Jaga SODIS without Reflector with glass bottles.Second Picture:Glass Bottles in Jaga SODIS with Concave ShapedBamboo Reflector with Aluminium Foil.
Third Picture:Jaga SODIS With Staiunless Steel Reflector.
BY THE USAGE OF REFLECTORS, THE LIGHTINTENSITY INCREASES BY A FACTOR OF FOUR.
•THE PET BOTTLES MELT IN HIGH AMBIENTTEMPERATURES(AROUND 45 Degrees Celsius). TheGlass bottles withstand temperatures upto 80 degreecelsius. One can get pasturisation temperatures withGlass Bottles and reflectors.
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•
SET 2:First Picture:Stainless steel Reflector with Glass bottles inSODIS System.
Second Picture:Glass bottles in SODIS System with ConcaveShaped Bamboo Reflectorwith Aluminium Reflector.
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• SET 3:First Picture:
Glass bottles put in Stainless steel reflector.In this system
light passes through the system second time which will increaseexposure and eliminate shadowing.
Second Picture:
shows Nirmali Seeds(Botanical Name: Str ichnos Potatorum, which are traditionally used for water purification especiallyturbid water. People rub the seed on a clean stone and put thepaste in the turbid water . After half of an hour the turbiditysettles down. The seeds are available in forests and very cheap.
Third Picture:The Solar Disinfected water transferred to a stainless steelcontainer(after cooling to room temperature) leaves ofTulasi(Botanical Name: Ocimum Sanctum . The Tulasi leaveshavemedicinal value. In Hindu temples Teertham(holy water) is
preserved by putting Tulasi leaves.
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Innovative Solar Disinfection System
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Innovative Solar Disinfection System large
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Abraham Lincoln Foresaw Age of Wind Power
You know who predicted the age of wind power? Abraham Lincoln, that’s who.
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A New York Times article dated Nov. 22, 1936, quotes from a lecture titled“Discoveries and Inventions” Lincoln gave in 1860, before he becamepresident. Here’s the relevant part:
“ Of all the forces of nature, I should think the windcontains the largest amount of motive power … Take anygiven space of the earth’ s surface, for instance, Illinois,
and all the power exerted by all the men, beasts, runningwater and steam over and upon it shall not equal the
100th part of what is exerted by the blowing of the windover and upon the same place. And yet it has not, so farin the world ’ s history, become properly valued as motive
power. It is applied extensively and advantageously to
sail vessels in navigation. Add to this a few windmills andpumps and you have about all.As yet the wind is an untamed, unharnessed force, andquite possibly one of the greatest discoveries hereafter tobe made will be the taming and harnessing of it.”
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Offshore Wind Farms
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Biogas Power Plant
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Power from Biogas Plant with input Opuntia
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Biofuel from Agave
CAM
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Crassulacean acid metabolism, also known as CAMphotosynthesis, is a carbon fixation pathway that evolved
in some plants as an adaptation to arid conditions. In a
plant using full CAM, the stomata in the leaves remain shut
during the day to reduce evapotranspiration, but open at
night to collect carbon dioxide (CO2). The CO2 is stored as the four-carbon acidmalate, and then used during photosynthesis during the day. The pre-collected CO2 isconcentrated around the enzyme RuBisCO, increasing photosynthetic efficiency.
Agave and Opuntia are CAM Plants. Wide cultivation of
these plants will help to tackle Climate Change to some
Extent.
CAM
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Energy from Waste
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Water Hyacinth – Wealth from Waste
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F it f W t H i th
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Furniture from Water Hyacinth
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Sisal Agave Products
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CLAY COVERS TO REDUCE ROOF HEATING
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MULTIPLE USES OF PERISCOPE
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MULTIPLE USES OF PERISCOPE
CAP TO BEAT HEAT
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Innovative Fan
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It is an age-old practice to use hand fans (Made of Palmaria Leaf). It
will be turned in horizontal way by holding it with hand. The air weget is gentle, as it won’t recirculate in a circular motion in the case
of Table Fan.
Here I used the motor of the WIPER and fixed a plastic fan withsome weight. I use an inverter to use it with AC. Alternatively One
can use small batteries to drive it when power is off. Many people in
offices put the Ceiling Fan/Table Fan/Pedestal Fan in slow motion.In such cases this novel fan will be very useful. Moreover one can
put one’s own design as hand fan. It costs around Rs 500(about
US$10) in South India.
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and there will be outlets to takeout hot water from each
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and there will be outlets to takeout hot water from each
copper tube around the burners separately with tap
system (left side of the stove). The copper tubes
connected to the water tank can be separated while
moving the stove from place to place. Here the copper
tube utilizes part of the heat that touches the plate of the
stove. In this some energy which goes as waste (heating
the surface of the stove) is utilized to produce hot water
for cleaning. This is a clear case of energy conservat ion .
By having larger tank one can get hot water for bathing
also. This sys tem can be adopted in the case of biogas
stove also . Especially in cold regions, it will be a boon in
supplying hot water. This system costs around Rs 350/-
(about US$ 8) except the stove. It finds extensive use in
MULTIPLE USE GAS STOVE
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MULTIPLE USE GAS STOVE
MULTIPLE USE GAS STOVE – SIDE VIEW
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KITCHEN WITH BIOGAS STOVE
FIRE PROOF APRON TO AVOID KITCHEN ACCIEDENTS
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FIRE PROOF APRON TO AVOID KITCHEN ACCIEDENTS
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But small is powerless, we're used to thinking. Well, atoms are
small. So are viruses.
"If you think you are too small to make a difference, trysleeping with a mosquito." -- the Dalai Lama
Five ways to improve affordability. First, easy payments in
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instalments (which have revolutionised rural sales of TVs,
cellphones, two-wheelers and houses). Second, dramatic cost-cutting
(some goods and services in India cost just 2-10% of the US cost).
Third, goods in small rather than large packings (e.g., shampoo in
sachets instead of bottles).
Fourth, pay-by-use (paying Rs 20 for internet use at an e-caféinstead of buying a computer). Fifth, direct distribution, cutting out
intermediaries (e.g., ITC buying directly from farmers at e-choupals,
and selling to them directly through Choupal Sagar shops
Dr.C.K.Prahalad
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MODERNISE THE TRADITIONAL – TRADITIONALISE THE MODERN.
SCIENCE TO SERVE SOCIETY – SOCIETY TOSUPPORT SCIENCE.
A T
ALTERNATIVE TECHNOLOGY
AFFORDABLE TECHNOLOGY
ADAPTABLE TECHNOLOGY
ACCEPTABLE TECHNOLOGY
ACCESSIBLE TECHNOLOGY
KISS PRINCIPLE
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KISS PRINCIPLE
KEEP IT S IMPLE SIR
“ANYBODY CAN MAKE THINGS
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COMPLICATED BUT IT REQUIRES A
GENIUS TO MAKE THINGS SIMPLE”
ALBERT EINSTEIN
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Put the RENEWABLES to WORK: Toget in exhaustible, Pollution –FreeEnergy which cannot be misused.
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